CN1908081A - Inner wall environmental protection water-proof putty - Google Patents
Inner wall environmental protection water-proof putty Download PDFInfo
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- CN1908081A CN1908081A CN 200610053080 CN200610053080A CN1908081A CN 1908081 A CN1908081 A CN 1908081A CN 200610053080 CN200610053080 CN 200610053080 CN 200610053080 A CN200610053080 A CN 200610053080A CN 1908081 A CN1908081 A CN 1908081A
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Abstract
the invention discloses an environmental-protective water-proof putty of internal wall, which consists of base material and powder material, wherein the weight rate of base material and powder material is 1: 5-8; the base material contains 40-50% modified polyvinyl alcohol, 40-50% fiber solution and 5-10% water; the powder material concludes 15-30% white cement and 50-70% compound filler. the invention improves constructing efficiency, which saves paint and increases hiding power, fullness and leveling property.
Description
Technical field
The present invention relates to building material field, mainly is a kind of inner wall environmental protection water-proof putty.
Background technology
Good inner wall putty can be saved coating and increase opacifying power, fullness ratio and the levelling property of coating, and then the decorative effect of raising coating, but China's inner wall putty major part all is that materials are simple at present, prescription arbitrarily, the cohesive strength of putty itself, performance such as water-fast also are uneven, and quality is also unstable.Putty adopts substantially and decorates white cement, old powder, gypsum as powder on the building site now, the building glue and the ripe rubber powder of the low solid part of the more employing of base-material.How not water-fast prepare the putty that comes out like this, and intensity is low, and is easy to crack.
Summary of the invention
The objective of the invention is in order to overcome above-mentioned deficiency, and provide a kind of inner wall environmental protection water-proof putty, under the prerequisite that guarantees inner wall putty basic role (fill and lead up effect, smooth interaction, overcome segmentation crack effect, moisture-proof role), realized economy, environmental protection again, easily batch scraped, easy advantage such as polishing.
The present invention solves the technical scheme that its technical problem adopts.This inner wall environmental protection water-proof putty comprises base-material and powder, and the weight proportion of base-material and powder is: 1 part of base-material, powder 5-8 part; Wherein base-material mainly comprises modified polyvinyl alcohol, cellulose solution and water, and its weight proportion is: modified polyvinyl alcohol 40-50 part, cellulose solution 40-50 part, water 5-10 part; Powder mainly comprises white cement and compound physique filler, and its weight proportion is: white cement 15-30 part, compound physique filler 50-70 part.
Base-material of the present invention comprises modified polyvinyl alcohol, cellulose solution, polyacrylamide and water, and its weight proportion is: modified polyvinyl alcohol 40-50 part, cellulose solution 40-50 part, polyacrylamide 10-20 part, water 5-10 part.
Compound physique filler of the present invention is with lime carbonate or grey calcium or talcum powder or old powder.
Powder of the present invention comprises white cement, lime carbonate, grey calcium and talcum powder, and its weight proportion is: white cement 15-30 part, lime carbonate 35-45 part, grey calcium 5-10 part, talcum powder 10-15 part.
The effect that the present invention is useful: mainly by agglutinate (modified polyvinyl alcohol polyvinyl alcohol is called for short modified PVA .), white cement, compound physique filler (CaCO
3), water-holding agent and thickening material etc. develop, and is two component inner wall putties, mainly contains following advantage:
1, not containing formaldehyde and VOC (volatile organic compounds), is nontoxic, the environmental protection of a new generation, high-quality green construction material.
2, with base material good viscosifying power is arranged, can guarantee again simultaneously and coating between good combination, be ideal thin layer boundary material between coating and the metope.
3, intensity height.
4, water resistance is good.
5, be easy to polishing.
6, the anti-cracking of putty itself is effective, can play bridging effect to be full of cracks within the specific limits.
7, criticize and scrape conveniently, reduce construction intensity, improve operating efficiency.
8, putty layer even compact can be saved coating and increase opacifying power, fullness ratio and the levelling property of coating.
9, putty outward appearance exquisiteness, whiteness is good, good decorating effect.
Embodiment:
Below in conjunction with embodiment the present invention is further described.
Composition of the present invention:
Cohesive strength is the leading indicator of inner wall putty, and it depends primarily on the kind and the consumption of adhesive material.Adhesive material is also determining the cost of putty, and influences the performance of batch scraping of putty.Consider based on many-side, select for use modified polyvinyl alcohol (polyvinyl alcohol is called for short modified PVA .), to select the main aggregate of cement for use among the present invention as inorganic adhesive material and putty as organic adhesive material.Cement has improved the cohesive strength of putty on the one hand as hydraulicity matrix material, and cement and modified polyvinyl alcohol mix use simultaneously, can further improve the water resistance and the just sticking ability of putty; Cement is as the main filler of putty on the other hand, and can play increases putty layer thickness, reduces the effect of difficulty of construction.
Consider and only adopt the putty of cement as the preparation of physique filler, be difficult to satisfy requirement of engineering on the technical feature,, in prescription, add compound physique filler and alleviate difficulty of construction for further improving the over-all properties of putty, reduce construction cost, abundant decorative effect of filming.Take all factors into consideration, aboundresources, cheap lime carbonate (CaCO are selected in decision
3) and other mineral substance as compound physique filler.Also can adopt old powder to replace on the engineering, further to reduce cost.When compound physique filler and cement are used by a certain percentage, can significantly improve the surface strength of building putties, easy application property and other over-all properties.
Putty is a kind of heavy-gravity paste material, only depends on agglutinate and filler to reach and batch scrapes required denseness, and is both uneconomical, and batch scraping property can not meet the demands.Therefore in triturating, need to add various auxiliary agents to improve the over-all properties of putty.Select organic thickening agent and inorganic thickening agent for use in this putty prescription, to reduce cost and to improve batch scraping property.In order to improve the water-retentivity of putty, make it batch scraping in the process and can keep sufficient moisture repeatedly back and forth, competent moisture can make cement that sufficient aquation, setting time are arranged simultaneously, thereby increase the cohesive strength of putty, prevent the generation of powder phenomenon-tion, we have selected high performance water-holding agent that the water-retentivity of putty is regulated.In order to improve the over-all properties of putty, also need to add a spot of other functional aid.
Two, Analysis on Mechanism of the present invention:
1, organic binder:
Modified polyvinyl alcohol (modified PVA .) is the main organic binder of this inner wall putty, modified PVA. the main performance index that how much is determining inner wall putty of amount:
(1) modified PVA. can strengthen the cohesive strength of inner wall putty: repeatedly experiment draws, and is keeping under the constant situation of other material modified PVA. the cohesive strength of the many more putty of consumption high more.
(2) modified PVA. can improve the grinability and the hardness of inner wall putty: modified PVA. adding can improve system viscosity, regulate the working viscosity of coating with glue, especially the grinability and the hardness of solidifying back putty is greatly improved, along with modified PVA. continuous increase polishing performance improve, the short-term hardness of putty has alleviated working strength of workers also from large to small.
(3) modified PVA. can improve the blade coating performance of inner wall putty: because modified PVA. adding, putty viscosity changes, thus also respective change of blade coating.By the experiment and practice of construction we draw, along with modified PVA. the increase of ratio, putty blade coating performance improves gradually.
(4) modified PVA. can prolong the time of drying of inner wall putty: modified PVA. instead of part base-material preparation putty, the shelf-stability of putty is increased, also bigger for influence time of drying of putty.
(5) modified PVA. reduce the putty water resistance: add modified PVA. the blade coating of putty, shelf-stability can be greatly improved, but itself has very strong water-soluble and water-absorbent, make the wetting ability of putty glued membrane strengthen, therefore, modified PVA. be to influence the water-proof important factor of putty, along with modified PVA. increase, the water tolerance of putty is variation gradually, and water-intake rate increases.Adding the corresponding function auxiliary agent can head it off, guarantees the water tolerance of inner wall putty.
2, inorganic binder, aggregate:
White cement is the main cement inorganic material of this inner wall putty, is again the main aggregate of putty.The over-all properties that how much directly influences putty of white cement consumption.
The relation of white cement consumption and ultimate compression strength and cohesive strength: the consumption of white cement is regarded the principal element that influences its overall performance usually as in the putty prescription.In fact, the high putty of cement consumption also has higher shrinkage value except having high compression strength, often easily causes this thin layer mortar cracking and shrink.Experimental result shows: the ultimate compression strength of putty improves along with the increase of cement consumption.Generally speaking, should be lower than the ultimate compression strength of structural base material as the ultimate compression strength of the coating material of unstructuredness, the Young's modulus of attachment material should be lower than the Young's modulus of base material in other words, so that the deformation that can adapt to the deformation of base material better and coordinate self under the extraneous factor effect, to produce, reduce stress, the possibility that reduces cracking and peel off.Experiment shows that best cement consumption is about 27%.Under normal 28 days the situation of maintenance, be 27% o'clock at cement consumption, the cohesive strength of putty reaches maximum value; White cement mainly plays mineral binder bond therein, and its consumption has a significant impact the performance of inner wall putty.Consumption is suitable, and the cohesive strength of itself and metope and the intensity of itself are had good help.Cause constructional difficulties but add excessive meeting, very hard after the sclerosis, the polishing difficulty.Simultaneously, because the median size of white cement is thinner, consumption is too much, and the construction back is easy to crack, and particularly when hot weather construction, this phenomenon is more obvious.As can be seen from the above table, the white cement consumption is better about 27%, the modified PVA that adds under this ratio. can the abundant modification of white cement be improved criticizing of putty and scrape performance and polishing performance.
3, filler:
Filler mainly uses the compound physique filler that contains lime carbonate and other mineral substance in this inner wall putty scheme, also can adopt old powder to replace on the engineering.Filler mainly is to play hydration with cement therein, improves the intensity of itself, improves the characteristic of hardening of cement, has made it good grinability.Simultaneously, adding these fillers has certain dissemination to cement granules, causes the flucculation structure of cement granules to be difficult to form, and improves the workability of putty.The particle diameter of filler cooperates also has very big influence to it, and fine grain size powder consumption is too high, and putty is easy to crack; Coarse grain footpath powder consumption is too high, and batch scraping property is bad, and putty is fineless and smooth.Obtain preferable performance, must be noted that the particle diameter collocation of powder and choosing of producer.
CaCO
3As mineral filler use at most, because of its price is low, the suction oil number is minimum and a large amount of uses play skeleton function in prescription.Ash calcium main component is Ca (OH)
2, slow down cement solidification at short notice, increase the polishing performance of putty, make putty slowly with airborne CO
2Reaction forms CaCO
3, can play bonding effect after the curing.Talcum powder can improve the grinability and the surface smoothness of putty because of its suction oil number is big.The suitable proportioning of above-mentioned compound physique filler can improve the over-all properties of putty greatly.
4, auxiliary agent:
The auxiliary agent that uses in this programme inner wall putty mainly contains functional aids such as thickening material, water-holding agent, high efficiency water reducing agent, sanforzing agent, defoamer.Thickening material mainly improves the storage characteristics and the stability of putty base-material.Water-holding agent is mainly selected cellulose compound, because the intermolecular reactive force of cellulose compound has good water-conserving capacity, guarantees the homogeneity and the integrity of mineral binder bond hydration.Simultaneously, add certain water-holding agent, criticizing of putty swept certain lubrication, improve its workability, improve workability.After suitably adding high efficiency water reducing agent, can greatly improve the dispersiveness of cement, delay cement setting time, improve the intensity of hardening of cement thing to a certain extent.The adding of sanforzing agent delays the drying of cement to a certain extent, reduces the contraction of cement gel system.In the mixed preparing process of base-material, can generate a large amount of bubbles.It is favourable that suitable bubble existence is scraped construction to criticizing of putty, and it can reduce the internal stress that the putty volumetric shrinkage forms to a certain extent.But excessive bubble can increase the porosity of putty, makes putty and metope can not form fine and close key coat, thereby influences its cohesive strength.Suitably adding some defoamers can head it off.
Embodiment 1: this inner wall environmental protection water-proof putty, comprise base-material and powder, and the weight proportion of base-material and powder is: 1 part of base-material, 5 parts of powders; Wherein base-material mainly comprises modified polyvinyl alcohol, cellulose solution and water, and its weight proportion is: 40 parts of modified polyvinyl alcohols, 40 parts of cellulose solutions, 5 parts in water; Powder of the present invention comprises white cement, lime carbonate, grey calcium and talcum powder, and its weight proportion is: 15 parts of white cements (preferably selecting the above label cement of 425# for use), 35 parts in lime carbonate, 5 parts of grey calcium, 10 parts of talcum powder.
The modified polyvinyl alcohol produced of my company wherein, it is the polyvinyl alcohol (consumption 10～12% that adopts 1788 models, weight ratio) with after acrylate (about weight proportion 2%), functional type auxiliary agent (coupling agent X1, about the 0.5 ‰) copolymerization mix, the surplus water is supplied.In its building-up process, add catalyzer (acid catalyst Y1,0.5～2 ‰) and reach and react completely, add certain auxiliary agent (Mierocrystalline cellulose wetting agent, about 2 ‰) behind the end of synthesis, make itself and mixed batch of scraping property of color stuffing better.This modified polyvinyl alcohol has advantages such as effective solid content height, bonding strength be big.Compare water-tolerant with other polyvinyl alcohol, the feature of environmental protection is good.(above ratio is weight ratio)
Its leading indicator sees following table for details:
| Sequence number | Project | Standard |
| 1 | Outward appearance | Colourless or light yellow transparent liquid |
| 2 | PH value | 7～8 |
| 3 | Solids content, % | ≥9.8 |
| 4 | Viscosity, Pas | ≥1.8 |
| 5 | Free formaldehyde, % | ≤0.05 |
| 6 | 180 ° of stripping strengths, N/25mm | ≥12 |
| 7 | Low-temperature stability (0 ℃, 24h) | Return to flow state under the partial gel room temperature |
Embodiment 2: difference from Example 1 is, this inner wall environmental protection water-proof putty comprises base-material and powder, and the weight proportion of base-material and powder is: 1 part of base-material, 6 parts of powders; Wherein base-material mainly comprises modified polyvinyl alcohol, cellulose solution and water, and its weight proportion is: 50 parts of modified polyvinyl alcohols, 50 parts of cellulose solutions, 0 part in water; Powder of the present invention comprises white cement, lime carbonate, grey calcium and talcum powder, and its weight proportion is: 30 parts of white cements (preferably selecting the above label cement of 425# for use), 45 parts in lime carbonate, 10 parts of grey calcium, 15 parts of talcum powder.
Embodiment 3: this inner wall environmental protection water-proof putty, comprise base-material and powder, and the weight proportion of base-material and powder is: 1 part of base-material, 8 parts of powders; Wherein base-material comprises modified polyvinyl alcohol, cellulose solution, polyacrylamide and water, and its weight proportion is: 40 parts in modified polyvinyl alcohol engineering glue, 40 parts of cellulose solutions, 10 parts of polyacrylamides, 5 parts in water.Powder mainly comprises white cement and compound physique filler, and its weight proportion is: 15 parts of white cements, and 50 parts of compound physique fillers, compound physique filler is with lime carbonate or grey calcium or talcum powder or old powder.Cellulose solution in the prescription is main water-holding agent, thickening material, can play the lubrication that increases the putty workability simultaneously again.Polyacrylamide is main water reducer, is again thickening material simultaneously.Grey calcium in the putty prescription is mainly as auxiliary caking agent and retardant, and the functional type auxiliary agent mainly mainly refers to above-mentioned several auxiliary agents, and promptly water-holding agent, thickening material, water reducer, retardant play the effect of optimizing the putty performance.
Embodiment 4: difference from Example 3 is, this inner wall environmental protection water-proof putty comprises base-material and powder, and the weight proportion of base-material and powder is 1 part of base-material, 8 parts of powders for the first time, and every secondary is 1 part of base-material, 5 parts of powders;
One, the concrete proportioning of inner wall putty sees table 2, table 3 for details.
Table 2. inner wall putty powder proportioning table
| Form | Ratio (mass ratio, %) | Remarks | |
| Powder | Old powder | 73 | Preferably select compound physique filler for use |
| White cement | 27 | Preferably select the above label cement of 425# for use | |
| Subtotal | 100 | ||
Table 3. inner wall putty powder, base-material proportioning table
| Composition | First pass putty | Second time putty | ||
| Ratio (mass ratio) | With reference to consumption (kg/m 2) | Ratio (mass ratio) | With reference to consumption (kg/m 2) | |
| Powder | 8 | 0.90 | 5 | 0.60 |
| Base-material | 1 | 0.11 | 1 | 0.12 |
| Water | In right amount | In right amount | ||
| Remarks | 1, material unit surface actual amount is mainly by wall leveling degree and smooth finish decision.2, why different the powder of twice putty, base-material proportioning be, mainly are in order at utmost to reduce cost.If powder, base-material proportioning all are 5: 1 (promptly identical with second time proportioning), the over-all properties of putty also can increase. |
Two, construction technology of the present invention
1, base treatment
Require smooth, firm, the cleaning of construction basic unit: dust, foreign material, greasy dirt, rusty stain must be removed totally, if any peeling off or the old coating of peeling should be rooted out totally; Thorough drying is answered by basic unit, and its water ratio is not higher than 10%, and pH value is not more than 10.
2, the allotment of putty
The present invention is two component putty, needs before the construction to allocate according to aforementioned proportion temporarily.Deployed putty is preferably disposable to be used up or seals, in case the long-time exposed putty setting and harden that causes.
3, putty construction
The present invention criticizes basic skill or training's preface and adopts and to survive for twice, requires batch to scrape evenly, will in time polish flat after batch good.It is every all over material usage and proportioning reference table 3 and table 4 that putty is criticized the end.
4, polish flat can the brushing interiro wall latex paint after the drying for putty.If coating is not done in the putty outside, suggestion suitably improves the ratio of base-material in the table 4, to strengthen the over-all properties of putty.
Claims (4)
1, a kind of inner wall environmental protection water-proof putty is characterized in that: comprise base-material and powder, the weight proportion of base-material and powder is: 1 part of base-material, powder 5-8 part; Wherein base-material mainly comprises modified polyvinyl alcohol, cellulose solution and water, and its weight proportion is: modified polyvinyl alcohol 40-50 part, cellulose solution 40-50 part, water 5-10 part; Powder mainly comprises white cement and compound physique filler, and its weight proportion is: white cement 15-30 part, compound physique filler 50-70 part.
2, inner wall environmental protection water-proof putty according to claim 1, it is characterized in that: described base-material comprises modified polyvinyl alcohol, cellulose solution, polyacrylamide and water, its weight proportion is: modified polyvinyl alcohol 40-50 part, cellulose solution 40-50 part, polyacrylamide 10-20 part, water 5-10 part.
3, inner wall environmental protection water-proof putty according to claim 1 is characterized in that: described compound physique filler is with lime carbonate or grey calcium or talcum powder or old powder.
4, according to claim 1 or 3 described inner wall environmental protection water-proof putties, it is characterized in that: described powder comprises white cement, lime carbonate, grey calcium and talcum powder, and its weight proportion is: white cement 15-30 part, lime carbonate 35-45 part, ash calcium 5-10 part, talcum powder 10-15 part.
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|---|---|---|---|
| CN 200610053080 CN1908081A (en) | 2006-08-18 | 2006-08-18 | Inner wall environmental protection water-proof putty |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610053080 CN1908081A (en) | 2006-08-18 | 2006-08-18 | Inner wall environmental protection water-proof putty |
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|---|---|
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955343A (en) * | 2010-08-31 | 2011-01-26 | 陈文光 | Energy-saving leveling putty powder |
| CN103571250A (en) * | 2013-10-17 | 2014-02-12 | 宿松县瑞泰新型建材有限公司 | Environmental-friendly interior-wall putty powder and construction method thereof |
| CN104060785A (en) * | 2014-05-19 | 2014-09-24 | 太仓市金锚新材料科技有限公司 | Construction technology for flexible epoxy putty |
| CN105038358A (en) * | 2015-06-01 | 2015-11-11 | 广州市景龙装饰工程有限公司 | Polishing-free putty powder |
| CN112552730A (en) * | 2020-12-10 | 2021-03-26 | 西洞庭凯兴建材有限公司 | Processing method of putty powder with good condensation effect for interior decoration |
-
2006
- 2006-08-18 CN CN 200610053080 patent/CN1908081A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955343A (en) * | 2010-08-31 | 2011-01-26 | 陈文光 | Energy-saving leveling putty powder |
| CN103571250A (en) * | 2013-10-17 | 2014-02-12 | 宿松县瑞泰新型建材有限公司 | Environmental-friendly interior-wall putty powder and construction method thereof |
| CN104060785A (en) * | 2014-05-19 | 2014-09-24 | 太仓市金锚新材料科技有限公司 | Construction technology for flexible epoxy putty |
| CN105038358A (en) * | 2015-06-01 | 2015-11-11 | 广州市景龙装饰工程有限公司 | Polishing-free putty powder |
| CN105038358B (en) * | 2015-06-01 | 2017-05-31 | 广州市景龙装饰工程有限公司 | One kind exempts from polishing type powder of lacquer putty for use on |
| CN112552730A (en) * | 2020-12-10 | 2021-03-26 | 西洞庭凯兴建材有限公司 | Processing method of putty powder with good condensation effect for interior decoration |
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